import time


# 唱歌函数
def sing():
    for i in range(5):
        print('正在唱歌...%d',i)
        time.sleep(0.5)


# 跳舞函数
def dance():
    for i in range(5):
        print("正在跳舞....%d",i)
        time.sleep(0.5)


# 调用
if __name__ == '__main__':
    print("run.....")
    sing()
    dance()